Middle and Late Ordovician lithostratigraphy and biostratigraphy of the upper Mississippi Valley
By: [Robert E. Sloan, editor].
Contributors: Sloan, Robert E. 1929-
Series: Report of investigations,; 35; Report of investigations (Minnesota Geological Survey) ;; 35.
Publisher: Minnesota Geological Survey, University of Minnesota
Published: 1987
Place of publication: Saint Paul
Language: eng
Number of pages: 232
Subjects: Geology, Stratigraphic -- Ordovician.; Geology -- Minnesota.; Geology -- Iowa.; Paleontology -- Ordovician.; Paleontology -- Minnesota.; Paleontology -- Iowa.
Notes: Bibliography: p. 224-231.